/Engine/Source/Runtime/Engine/Classes/GameFramework/MovementComponent.h
Initialize collision params appropriately based on our collision settings. Use this before any Line, Overlap, or Sweep tests.
virtual void InitCollisionParams ( [FCollisionQueryParams](API\Runtime\Engine\FCollisionQueryParams) & OutParams, [FCollisionResponseParams](API\Runtime\Engine\FCollisionResponseParams) & OutResponseParam ) const